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West Coast Groundfish Observer Program Manual, Part2 - NOAA

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CHAPTER 7<br />

Eastern Pacific Marine Turtles<br />

Shell<br />

Soft-Shelled<br />

Hard-Shelled<br />

5-7 Longitudinal<br />

ridges on back<br />

Mature individuals<br />

can attain great<br />

size<br />

Leatherback<br />

Four Pairs<br />

of Costal<br />

Scutes<br />

Five or<br />

more pairs<br />

of costal<br />

scutes<br />

One pair of<br />

prefrontal scales<br />

Non-overlapping<br />

scutes<br />

Serrated lower<br />

jaw<br />

Green/Black<br />

Two or more<br />

pairs of prefrontal<br />

scales<br />

Overlapping<br />

costal scutes<br />

Hawksbill<br />

Usually five<br />

pairs of costal<br />

scutes<br />

Three<br />

inframarginas<br />

without pores<br />

Usually redorange<br />

color<br />

Loggerhed<br />

Five to nine<br />

pairs of costal<br />

scutes<br />

Four<br />

inframarginas<br />

with pores<br />

Gray-green<br />

color<br />

Olive Ridley<br />

Figure 7-9: Sea Turtle ID Flow Chart<br />

1/30/2004 7-43

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